Fix rgw ssl_verify option key

The purpose of this change is to fix the rgw ssl_verify keyword to
reflect the correct name expected by [1].

[1] https://github.com/ceph/ceph/blob/v16.2.9/src/rgw/rgw_keystone.h#L105

Change-Id: I9cb94d68699b5c3a62c82558b51c5ace7ea1ac15

deployment/cephadm/ceph-rgw.yaml

@@ -73,8 +73,6 @@ resources:
       type: json
       value:
         vars:
-          radosgw_keystone: true
-          radosgw_keystone_ssl: false
           radosgw_address_block:
             list_join:
               - ','
@@ -145,6 +143,7 @@ outputs:
                     - {get_attr: [CephRgwAnsibleVars, value, vars]}
                   ceph_rgw_config_overrides:
                     global:
+                      rgw_keystone_verify_ssl: false
                       rgw_keystone_api_version: 3
                       rgw_keystone_url: {get_param: [EndpointMap, KeystoneInternal, uri_no_suffix]}
                       rgw_keystone_accepted_roles: 'member, Member, admin'